Exclusive BioSpring reduces spring tension during work which lessens fatigue and makes work easier and safer. Tension and opening width can be adjusted by moving the end of the spring to the desired opening in the handle.

These are one of my favorite cutters. They are so small but so strong. I have had mine since 1991 and they are still extremely sharp even at the tip. They do a great flush cut. A flush cut is crucial for a lot of wirework projects, especially wrapped loops and open loop chain work.